Maesera Idul Adha
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Tesis Membership
edited by Janet Moyles
McGraw-Hill, 2010
Buku Teks SO
Haslwanter, Thomas
Springer International Publishing , 2016
eBooks
Pengayoman, 2003
Buku Teks
Christine Diah Pramana
1996
UI - Skripsi Membership